METHOD OF ABLATING AN OPENING IN A HARD, NON-METALLIC SUBSTRATE - Patent 1409192

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EP 1 409 192 A1

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(43)	Date of publication:
	21.04.2004 Bulletin 2004/17

(21)	Application number: 02763221.5

(22)	Date of filing: 02.07.2002

(51)	International Patent Classification (IPC)⁷: B23K 15/08

(86)	International application number:
	PCT/US2002/021082

(87)	International publication number:
	WO 2003/004210 (16.01.2003 Gazette 2003/03)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

02.07.2001 US 302495 P

(71)	Applicant: Virtek Laser Systems, Inc.
	Waterloo,Ontario N2V 2K1 (GB)

(72)	Inventors:
	GLOVER, Ruiz Kitchner, Ontario N2M 5J5 (CA) CUMMINGS, Mike Waterloo, Ontario N2K4E7 (CA) ARCHIBALD, Cec Waterloo, Ontario N2V 2A6 (CA)

(74)	Representative: Samuels, Lucy Alice
	Gill Jennings & EveryBroadgate House7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)

(54)	METHOD OF ABLATING AN OPENING IN A HARD, NON-METALLIC SUBSTRATE